#!/bin/bash

# Slackware build script for macemu (BasiliskII and SheepShaver)

# Copyright 2014-2018 Matteo Bernardini <ponce@slackbuilds.org>, Pisa, Italy
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=macemu
VERSION=${VERSION:-20180225_2e302d6}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

PRGNAM1=BasiliskII
PRGNAM2=SheepShaver
DOCS1="COPYING ChangeLog README TECH TODO"
DOCS2="COPYING NEWS doc/Linux doc/PowerPC-Testsuite.txt"

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

# Build BasiliskII
cd $PRGNAM1/src/Unix

NO_CONFIGURE=1 ./autogen.sh

#LDFLAGS="-L/usr/lib$LIBDIRSUFFIX -lXext -lX11" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --enable-jit=yes \
  --disable-vosf \
  --enable-sdl-audio=yes \
  --enable-sdl-video=yes \
  --with-mon=no \
  --with-x \
  --without-esd \
  --host=$ARCH-slackware-linux \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG
cd -

# SheepShaver is built with jit disabled by default on x86_64
# or we get a relocation error
if [ "$ARCH" = "x86_64" ]; then jit="no"; else jit="yes"; fi

cd $PRGNAM2/src/Unix

NO_CONFIGURE=1 ./autogen.sh

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS -Wno-narrowing" \
./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --enable-jit=$jit \
  --disable-vosf \
  --enable-sdl-audio=yes \
  --enable-sdl-video=yes \
  --with-mon=no \
  --with-x \
  --without-esd \
  --host=$ARCH-slackware-linux \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG
cd -

# Install some desktop files and icons
install -m 0644 -D $CWD/files/$PRGNAM2.desktop \
  $PKG/usr/share/applications/$PRGNAM2.desktop
install -m 0644 -D $CWD/files/$PRGNAM2.png \
  $PKG/usr/share/pixmaps/$PRGNAM2.png
install -m 0644 -D $CWD/files/$PRGNAM1.desktop \
  $PKG/usr/share/applications/$PRGNAM1.desktop
install -m 0644 -D $CWD/files/$PRGNAM1.svg \
  $PKG/usr/share/pixmaps/$PRGNAM1.svg

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM1
( cd $PRGNAM1
  cp -a $DOCS1 $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM1 )
( cd $PRGNAM2
  mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM2
  cp -a $DOCS2 $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM2 )
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
